From: Meelis Roos <mroos@xxxxxxxx>
Date: Thu, 8 Mar 2007 18:37:14 +0200 (EET)
> > I just pushed the following fix to Linus:
> >
> > commit 74bd7d093b8e87f35eaf3b14459b96a0e20d1d10
> > Author: David S. Miller <davem@xxxxxxxxxxxxxxxxxxxx>
> > Date: Wed Feb 28 13:09:34 2007 -0800
> >
> > [SPARC64]: Fix parport_pc build.
>
> WARNING: "release_dma_lock" [drivers/parport/parport_pc.ko] undefined!
> WARNING: "claim_dma_lock" [drivers/parport/parport_pc.ko] undefined!
> make[1]: *** [__modpost] Error 1
>
> This is with todays 2.6.21-rc3 git.
Nothing is ever easy :-)
I wonder how it did build for me.
Hopefully this will fix it for good:
diff --git a/include/asm-sparc64/parport.h b/include/asm-sparc64/parport.h
index be9509c..284dfd0 100644
--- a/include/asm-sparc64/parport.h
+++ b/include/asm-sparc64/parport.h
@@ -19,6 +19,17 @@
*/
#define HAS_DMA
+static DEFINE_SPINLOCK(dma_spin_lock);
+
+#define claim_dma_lock() \
+({ unsigned long flags; \
+ spin_lock_irqsave(&dma_spin_lock, flags); \
+ flags; \
+})
+
+#define release_dma_lock(__flags) \
+ spin_unlock_irqrestore(&dma_spin_lock, __flags);
+
static struct sparc_ebus_info {
struct ebus_dma_info info;
unsigned int addr;
-
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